CN218213759U

CN218213759U - Projecting apparatus radiating air duct subassembly

Info

Publication number: CN218213759U
Application number: CN202222820192.3U
Authority: CN
Inventors: 林少忠; 陈锦青
Original assignee: Foshan Sunspot Technology Co ltd
Current assignee: Foshan Sunspot Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-03
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a projecting apparatus radiating air duct subassembly, establish the shell on the bottom plate including bottom plate and cover, be equipped with supplementary wind channel and main wind channel on the bottom plate, be equipped with the power in the supplementary wind channel, be equipped with the light source in the main wind channel, the air inlet end in main wind channel is positive towards the projecting apparatus, main wind channel air-out end is located the projecting apparatus back, supplementary wind channel air inlet end is located projecting apparatus one side, supplementary wind channel air-out end is located the projecting apparatus back, main wind channel air inlet end is equipped with the light source fan, supplementary wind channel air inlet end is equipped with the power fan, the air-out end in main wind channel is equipped with heat conduction structure, heat conduction structure is located the right back corner of bottom plate, heat conduction structure includes a plurality of interval distribution's heat-conducting plate, the heat-conducting plate is the L type, can effectively improve the quick heat transfer radiating effect of main wind channel to the light source, makes the light source be in low temperature operating condition for a long time, increases the job stabilization nature of light source.

Description

Projecting apparatus radiating air duct subassembly

Technical Field

The utility model belongs to the technical field of the projecting apparatus heat dissipation technique and specifically relates to a projecting apparatus radiating air duct subassembly is related to.

Background

When the projector works, a light source positioned inside the projector generates heat seriously, an extra air channel is required to be arranged inside the projector to perform air cooling and heat dissipation for the light source assembly, the heat dissipation effect of the heat dissipation air channel of the traditional light source assembly is poor, the working heat of the light source assembly cannot be effectively taken away in time, and the light source assembly cannot work at a lower temperature, so that the heat dissipation air channel assembly for the projector is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a projecting apparatus radiating air duct subassembly can effectively improve the quick heat transfer radiating effect of main wind channel to the light source, makes the light source be in low temperature operating condition for a long time, increases the job stabilization nature of light source.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a projecting apparatus radiating air duct subassembly, includes that bottom plate and cover establish the shell on the bottom plate, be equipped with supplementary wind channel and main wind channel on the bottom plate, be equipped with the power in the supplementary wind channel, be equipped with the light source in the main wind channel, the air inlet end in main wind channel is positive towards the projecting apparatus, main wind channel air-out end is located the projecting apparatus back, supplementary wind channel air inlet end is located projecting apparatus one side, supplementary wind channel air-out end is located the projecting apparatus back, main wind channel air inlet end is equipped with the light source fan, supplementary wind channel air inlet end is equipped with the power fan, the air-out end in main wind channel is equipped with heat conduction structure, heat conduction structure is located the right back corner of bottom plate, heat conduction structure includes the heat-conducting plate of a plurality of interval distributions, the heat-conducting plate is the L type, and is adjacent the heat-transfer mouth is formed in the equidifferent distribution of heat-conducting plate port, set up the ventilation hole of a plurality of dot matrix distributions on the heat-conducting plate.

As the utility model discloses a preferred technical scheme, supplementary wind channel comprises a plurality of first wind channel board concatenations, the main wind channel comprises a plurality of second wind channel board concatenations, first wind channel board and second wind channel board are fixed on the bottom plate, first wind channel board and second wind channel board adopt aluminum alloy material.

As a preferred technical scheme of the utility model, supplementary wind channel and main wind channel top are equipped with seals the apron, it is aluminum alloy material to seal the apron, it is provided with the circuit board on the apron to seal.

As a preferred technical scheme of the utility model, the bottom of sealing the apron is equipped with a plurality of screens, the screens is connected with first wind channel board and second wind channel integrated circuit board and is matchd.

As an optimal technical scheme of the utility model, the cover is established and is installed aluminium system heat conduction shell on the light source, aluminium system heat conduction shell forms heat radiation fins outward, heat radiation fins is at the surface of aluminium system heat conduction shell along fore-and-aft direction evenly distributed.

As a preferred technical scheme of the utility model, be equipped with the air inlet net on the shell, the air inlet net has two and just to the input of power fan and light source fan, be equipped with out the air net on the shell, it has a plurality of and just to the output in proper order supplementary wind channel and main wind channel to go out the air net.

As an optimized technical scheme of the utility model, be equipped with the draw-in groove position that is used for installing projecting apparatus internal member on the bottom plate.

As an optimal technical scheme of the utility model, the interval is provided with a plurality of linear distribution's aviation baffle on the main air duct inner wall.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the air outlets of the main air duct and the auxiliary air duct are arranged on the back of the projector, the air inlet of the main air duct is arranged on the front of the projector, the air inlet of the auxiliary air duct is arranged on the side face of the projector, when the two air ducts perform air cooling heat exchange, mutual wind cross between the air inlet and the air outlet of the two air ducts is avoided, the temperature of air flowing into the air ducts is higher than that of normal-temperature air, so that the heat dissipation effect is influenced, meanwhile, the heat conduction structure is arranged at the air outlet end of the main air duct, the air flows in gaps of the heat conduction plate through the heat exchange ports during air outlet, and is absorbed by the heat conduction plate of the heat conduction structure, the air deflector arranged in the main air duct is matched with the aluminum heat conduction shell arranged outside the light source in a sleeved mode, the quick heat transfer and heat dissipation effect of the main air duct on the light source can be effectively improved, the light source is enabled to be in a low-temperature working state for a long time, and the working stability of the light source is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic view of the present invention;

fig. 2 is a first installation diagram of the middle sealing cover plate of the present invention;

FIG. 3 is a second schematic view of the installation of the middle cover plate of the present invention;

FIG. 4 is a schematic structural view of the first air duct plate and the second air duct plate of the present invention;

fig. 5 is an enlarged view of fig. 4 at a in the present invention;

fig. 6 is a schematic structural view of the middle air outlet net of the present invention;

fig. 7 is a schematic structural view of the middle air inlet net of the present invention;

fig. 8 is a schematic structural view of the middle wind deflector of the present invention.

Wherein: 1. a power source; 2. a power supply fan; 3. an auxiliary air duct; 4. a base plate; 5. a light source; 6. an aluminum heat-conducting shell; 7. a main air duct; 8. a thermally conductive structure; 9. sealing the cover plate; 10. clamping; 11. an air inlet net; 12. air outlet net; 13. a housing; 14. a first air duct plate; 15. a second air duct plate; 16. a card slot position; 17. a heat conducting plate; 18. a heat exchange port; 19. a light source fan; 20. a circuit board; 21. an air deflector.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Referring to fig. 1-8, the utility model provides a projecting apparatus radiating air duct subassembly, establish shell 13 on bottom plate 4 including bottom plate 4 and cover, be equipped with supplementary wind channel 3 and main wind channel 7 on bottom plate 4, be equipped with power 1 in the supplementary wind channel 3, be equipped with light source 5 in the main wind channel 7, the air inlet end of main wind channel 7 is positive towards the projecting apparatus, 7 air-out ends in the main wind channel are located the projecting apparatus back, 3 air inlet ends in supplementary wind channel are located projecting apparatus one side, 3 air-out ends in supplementary wind channel are located the projecting apparatus back, 7 air inlet ends in main wind channel are equipped with

light source fan

19, 3 air inlet ends in supplementary wind channel are equipped with power source fan 2, the air-out end in main wind channel 7 is equipped with heat conduction structure 8, heat conduction structure 8 is located the right back corner of bottom plate 4, heat conduction structure 8 includes a plurality of interval distribution's heat-conducting plate 17, heat-conducting plate 17 is the L type, the equidifferent distribution such as adjacent heat-conducting plate 17 port forms heat transfer mouth 18, set up the ventilation hole that a plurality of dot matrix distributes on the heat-conducting plate 17.

Preferably, the auxiliary air duct 3 is formed by splicing a plurality of first air duct plates 14, the main air duct 7 is formed by splicing a plurality of second air duct plates 15, the first air duct plates 14 and the second air duct plates 15 are fixed on the bottom plate 4, and the first air duct plates 14 and the second air duct plates 15 are made of aluminum alloy materials; the first air duct plate 14 and the second air duct plate 15 may be used for auxiliary heat dissipation.

Preferably, the sealing cover plate 9 is arranged at the top of the auxiliary air duct 3 and the main air duct 7, the sealing cover plate 9 is made of aluminum alloy material, and the circuit board 20 is arranged on the sealing cover plate 9; so that the sealing cover plate 9 can be used for auxiliary heat conduction at the same time.

Preferably, the bottom of the sealing cover plate 9 is provided with a plurality of clamping positions 10, and the clamping positions 10 are clamped and matched with the first air duct plate 14 and the second air duct plate 15; the sealing cover plate 9 is clamped and fixed on the first air duct plate 14 and the second air duct plate 15 to seal the main air duct 7 and the auxiliary air duct 3.

Preferably, the light source 5 is sleeved with an aluminum heat conduction shell 6, the aluminum heat conduction shell 6 is externally provided with heat dissipation fins, and the heat dissipation fins are uniformly distributed on the outer surface of the aluminum heat conduction shell 6 along the front-back direction; the aluminum heat conductive shell 6 and the heat radiating fins contribute to rapid heat dissipation from the light source 5.

Preferably, the casing 13 is provided with an air inlet net 11, the air inlet net 11 is provided with two input ends which are opposite to the power supply fan 2 and the light source fan 19, the casing 13 is provided with an air outlet net 12, and the air outlet net 12 is provided with a plurality of output ends which are opposite to the auxiliary air duct 3 and the main air duct 7 in sequence; the air inlet net 11 and the air outlet net 12 can prevent dust from entering the air duct.

Preferably, the bottom plate 4 is provided with a clamping slot position 16 for mounting internal elements of the projector; the positioning device is used for mounting and positioning internal elements of the projector.

Preferably, a plurality of air deflectors 21 which are linearly distributed are arranged on the inner wall of the main air duct 7 at intervals; the air deflector 21 may cause air flowing through the interior of the main duct 7 to be disturbed to form turbulent flow.

Example (b):

when the projector radiating air duct assembly is used and the projector is started, the auxiliary air duct 3 and the main air duct 7 work, the light source fan 19 enters air from an air inlet of the main air duct 7, flows through the inside of the main air duct 7, is disturbed by the air deflector 21 to form turbulent air, and passes through the outer surface of the aluminum heat conduction shell 6, the aluminum heat conduction shell 6 rapidly guides a large amount of heat energy generated by the light source 5 during working to the radiating fins on the outer surface of the aluminum heat conduction shell 6, the turbulent air in the main air duct 7 is led out to the heat conduction structure 8, flows in gaps of the heat conduction plate 17 through the heat exchange port 18, is absorbed by the heat conduction plate 17 of the heat conduction structure 8, finally, air is exhausted from one side of the back of the projector, forced air cooling and radiating are carried out on the light source 5, meanwhile, the auxiliary air duct 3 enters air from the side face of the projector, air is exhausted from the back of the projector, and air cooling and radiating is carried out on the power source 1.

The air outlets of the main air duct 7 and the auxiliary air duct 3 are arranged on the back of the projector, the air inlet of the main air duct 7 is arranged on the front of the projector, the air inlet of the auxiliary air duct 3 is arranged on the side of the projector, and when the two air ducts perform air cooling heat exchange, mutual air cross between the air inlet and the air outlet of the two air ducts is avoided, so that the temperature of air flowing into the air ducts is higher than that of normal-temperature air, and the heat dissipation effect is influenced, meanwhile, the heat conduction structure 8 is arranged at the air outlet end of the main air duct 7, the air flows in the gap of the heat conduction plate 17 through the heat exchange port 18 during air outlet, and is absorbed by the heat conduction plate 17 of the heat conduction structure 8, the air deflector 21 arranged in the main air duct 7 is matched with the aluminum heat conduction shell 6 arranged outside the light source 5, so that the quick heat transfer and heat dissipation effects of the main air duct 7 on the light source 5 can be effectively improved, the light source 5 is in a low-temperature working state for a long time, and the working stability of the light source 5 is improved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a projecting apparatus heat dissipation wind channel subassembly, includes that bottom plate (4) and cover establish shell (13) on bottom plate (4), its characterized in that: be equipped with supplementary wind channel (3) and main wind channel (7) on bottom plate (4), be equipped with power (1) in supplementary wind channel (3), be equipped with light source (5) in main wind channel (7), the air inlet end of main wind channel (7) is positive towards the projector, main wind channel (7) air-out end is located the projector back, supplementary wind channel (3) air inlet end is located projector one side, supplementary wind channel (3) air-out end is located the projector back, main wind channel (7) air inlet end is equipped with light source fan (19), supplementary wind channel (3) air inlet end is equipped with power fan (2), the air-out end of main wind channel (7) is equipped with heat conduction structure (8), heat conduction structure (8) are located the right back corner of bottom plate (4), heat conduction structure (8) include a plurality of interval distribution's heat-conducting plate (17), heat-conducting plate (17) are the L type, and are adjacent heat-transfer mouth (18) are formed to heat-conducting plate (17) port arithmetic distribution, set up the ventilation hole that a plurality of dot matrix distributes on heat-conducting plate (17).

2. The projector cooling air duct assembly according to claim 1, wherein: supplementary wind channel (3) comprise a plurality of first wind channel boards (14) concatenation, main wind channel (7) comprise a plurality of second wind channel boards (15) concatenation, first wind channel board (14) and second wind channel board (15) are fixed on bottom plate (4), first wind channel board (14) and second wind channel board (15) adopt aluminum alloy material.

3. The projector cooling air duct assembly according to claim 2, wherein: supplementary wind channel (3) and main wind channel (7) top are equipped with seals apron (9), it is aluminium alloy material to seal apron (9), it is provided with circuit board (20) on apron (9) to seal.

4. The projector cooling air duct assembly according to claim 3, wherein: the bottom of sealing apron (9) is equipped with a plurality of screens (10), screens (10) and first wind channel board (14) and second wind channel board (15) joint match.

5. The projector cooling air duct assembly according to claim 1, wherein: the aluminum heat conduction shell (6) is sleeved on the light source (5), heat dissipation fins are formed outside the aluminum heat conduction shell (6), and the heat dissipation fins are uniformly distributed on the outer surface of the aluminum heat conduction shell (6) along the front-back direction.

6. The projector cooling air duct assembly according to claim 1, wherein: be equipped with air inlet net (11) on shell (13), air inlet net (11) have two and just to the input of power fan (2) and light source fan (19), be equipped with out air net (12) on shell (13), it has a plurality of and just to the output in proper order to supplementary wind channel (3) and main wind channel (7) to go out air net (12).

7. The projector cooling air duct assembly according to claim 1, wherein: and a clamping groove position (16) for mounting internal elements of the projector is arranged on the bottom plate (4).

8. The projector cooling air duct assembly according to claim 1, wherein: a plurality of air deflectors (21) which are linearly distributed are arranged on the inner wall of the main air duct (7) at intervals.